BMW E39 2001 — technical service bulletin
Bulletin 651201 · NHTSA communication 628427 · issued Dec 1, 2001
Technical service bulletin
communication type
Electrical System
component
2001
model years
2
vehicle entries
Official summary
Revised information regarding alpine cd53 radio causing dead battery condition. *tt
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.